\begin{table}
  \center
  \resizebox{\columnwidth}{!}{
  \begin{tabular}{|l*{3}{|c}|}
    \hline
    ``Ms. Pac-Man'' Agent & \multicolumn{3}{c|}{Ghosts}\\
    \cline{2-4}
    & \multicolumn{1}{|c}{Starter} & \multicolumn{1}{|c}{Random} & \multicolumn{1}{|c|}{Aggressive}\\
    \hline
    & Mean & Mean & Mean\\
    \hline
    \hline
    Starter & $4060.6$ & $34511.7$ & $5979.3$\\ 
    NearestPill & $2682.4$ & $4678.1$ & $2782.9$\\
    NearestPillVS & $2545.4$ & $4948$ & $2999.3$ \\
    RandomNonRev & $1204.3$ & $1798.6$ & $1848.7$\\
    Random & $188.7$ & $502.3$ & $193.4$\\
    HRTPacMan (all) & $6930$ & $6540$ & $9490$\\
    HRTPacMan (random) & $3190$ & $10560$ & $10900$\\ 
    HRTPacMan (starter) & $3550$ & $3110$ & $11140$\\
    HRTPacMan (aggressive) & $5150$ & $4890$ & $9360$\\
    \hline
  \end{tabular}}
  \caption{Mean Score of the Agents and Provided Ghosts}
  \label{tab:defaultresults}
\end{table}
